CN101691028B - Manufacturing method for resin grinding wheel cutting piece with function of cutting soft and hard materials - Google Patents
Manufacturing method for resin grinding wheel cutting piece with function of cutting soft and hard materials Download PDFInfo
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- CN101691028B CN101691028B CN2009102721954A CN200910272195A CN101691028B CN 101691028 B CN101691028 B CN 101691028B CN 2009102721954 A CN2009102721954 A CN 2009102721954A CN 200910272195 A CN200910272195 A CN 200910272195A CN 101691028 B CN101691028 B CN 101691028B
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- resin
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- grinding
- grinding wheel
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- 238000005520 cutting process Methods 0.000 title claims abstract description 120
- 229920005989 resin Polymers 0.000 title claims abstract description 62
- 239000011347 resin Substances 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000000227 grinding Methods 0.000 title abstract description 20
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 20
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000005011 phenolic resin Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000009837 dry grinding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000010431 corundum Substances 0.000 claims description 21
- 229910052593 corundum Inorganic materials 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- 229910001651 emery Inorganic materials 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 208000034189 Sclerosis Diseases 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 6
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910001610 cryolite Inorganic materials 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 238000003892 spreading Methods 0.000 abstract 1
- 239000003082 abrasive agent Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000004567 concrete Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 239000010432 diamond Substances 0.000 description 6
- 229910003460 diamond Inorganic materials 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 229910021418 black silicon Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to a manufacturing method for a resin grinding wheel cutting piece with function of cutting soft and hard materials. In the method, a silicon carbide grinding material with different particle sizes, a brown aluminium oxide grinding material with mixed particle sizes, a phenolic resin binder, a polytetrafluoroethylene dry grinding lubricant and a cryolite packing material are prepared into a resin grinding wheel cutting piece bonding mixed grinding material; the resin grinding wheel cutting piece bonding mixed grinding material is coated on a grinding wheel net according to piece weight specification of the cutting piece; and the resin grinding wheel cutting piece is prepared by spreading and scraping the grinding material with a scraper blade, and pressurizing, molding and hardening the grinding material with a pressing plate. The silicon carbide grinding material and the brown aluminium oxide grinding material in an optimum proportion make the resin grinding wheel cutting piece play a decisive concordant role in cutting the soft and hard materials; and the polytetrafluoroethylene dry grinding lubricant is adopted to make the resin grinding wheel cutting piece have good balance in the aspects of cutting speed and cutting durability. Therefore, the manufacturing method comprehensively improves and expands functions and application of the resin grinding wheel cutting piece.
Description
Technical field
The present invention has the resin wheel cutting blade preparation method of cutting soft or hard two class material functions concurrently, belongs to the grinding materials and grinding tool field, is specifically related to the resin wheel cutting appliance.
Background technology
The resin wheel cutting blade is widely used in fields such as mechanical metallurgy, building, military project, construction of railways, fire-fighting orcible entry.So-called resin wheel cutting blade is after resinoid bond and abrasive mixed are synthesized the caking property abrasive material, the cutting blade of extrusion forming on emery wheel net sheet.According to the purposes difference, can be divided into two big classes: a class is for being fit to the cutoff wheel of cutting hard material, be mainly used in the cutting processing of metal materials such as metal material such as steel pipe, shaped steel, reinforcing bar, this type of resin wheel cutting blade is the resin wheel sheet of making as main abrasive material with brown corundum mixing abrasive particle, promptly belongs to this type of as the applicant's described cutoff wheel of a patent of invention (ZL) formerly; Another kind of for being fit to the cutting soft material, resin wheel sheet such as nonmetallic materials such as cutting concrete, stone materials, this type of is to be the resin cutting slice of main abrasive material process extrusion forming with carborundum, its preparation method is substantially identical with the preparation method of cutting blade that with brown corundum is abrasive material, but silicon carbide abrasive costs an arm and a leg, the 2-5 that is generally brown corundum price doubly, based on the cause of bulking property price ratio, substituted by the higher cutting piece made from diamond of anti-wear performance gradually at resin cutting slice aspect the cutting soft material.For example, usually be applicable to the cutting piece made from diamond of cutting stone material class, it is welding diamond alloy cutter head on the steel matrix neighboring of circle, alloy cutter head is fully mixed by multiple submicron metal and diadust, under high temperature (being generally 800 ℃) condition, heat extrusion forming, this cutting piece made from diamond is different with the manufacture craft of resin cutting slice of the present invention, and this cutting piece made from diamond belongs to the diamond abrasive tool industry, and does not belong to the resin cutting slice category.Current resin cutting slice industry does not still have the resin wheel cutting blade that cuts soft or hard two class material capabilities concurrently.There is the function singleness problem in current resin cutting slice industry, can not satisfy the demand of economic development, particularly can not satisfy the specific demand under some field specified conditions.For example in environment is speedily carried out rescue work in fire-fighting, earthquake etc., when needing to speedily carry out rescue work fast immediately orcible entry,, both had concrete stone material etc. than softwood matter because the object of orcible entry varies, may run into the steel of hard etc. again, the time of grabbing in this case just equals to rescue life.But regrettably present resin cutting slice does not still possess one " sheet " two purposes, crucial, the urgent also necessary constantly cutting blade of changing.If can give resin cutting slice can cut hard metal material again can cutting stone material or the dual-use function of concrete soft material, this problem has also just solved.Therefore, innovating a kind of resin wheel cutting blade that has cutting soft or hard two class material capabilities concurrently, is the outer in the industry common pressing issues of paying close attention to.
Summary of the invention
The purpose of this invention is to provide a kind of resin wheel cutting blade preparation method that has cutting soft or hard two class material functions concurrently, give the resin wheel cutting blade with cutting hard metal species and the dual cutting function of the soft stone materials of cutting, have the limitation that the resin wheel cutting blade is only applicable to cut hard metal now to break through, thereby further improve cutting adaptability and the cutting efficiency of resin wheel cutting blade material.
The objective of the invention is to be achieved through the following technical solutions:
The present invention has the resin wheel cutting blade preparation method of cutting soft or hard two class material functions concurrently, be with varigrained silicon carbide abrasive, the combination grain brown corundum abrasive, phenolic resin adhesive, teflon dry-grinding lubricant agent and ice crystal filler are mixed with resin wheel cutting blade caking property compound abrasive, with this resin wheel cutting blade caking property compound abrasive, press cutting blade substance specification, be coated on the emery wheel net sheet, and with scraper plate stand material, draw together flat, through pressing plate extrusion forming and sclerosis, make the resin wheel cutting blade, the formula constituent of this resin wheel cutting blade caking property compound abrasive and the percetage by weight proportioning of each component are as follows:
14#-80# carborundum 40%-50%
Combination grain palm fibre corundum 30%-40%
Liquid phenolic resin 1%-5%
240 order phenol-formaldehyde resin powder 3%-15%
Average grain diameter 3 μ m-25 μ m polytetrafluoroethylene powder 0.5%-5%
120 orders are with thin ice crystal filler 2%-10%
The preparation technology of above-mentioned resin wheel cutting blade caking property compound abrasive is as follows:
Silicon carbide abrasive and brown corundum abrasive added in the batch mixing pot according to proportioning weight mix, add liquid phenolic resin again, treat to add ice crystal and polytetrafluoroethylene powder successively after the brown corundum abrasive complete wetting, mix the back drop into phenol-formaldehyde resin powder continue batch mixing until phenol-formaldehyde resin powder uniformly attached to every abrasive material on till, so far be preparation cost invention resin wheel sheet caking property compound abrasive, standby.
The production operation process of above-mentioned resin wheel cutting blade is as follows: place emery wheel net sheet on operating desk, press cutting blade substance specification, on emery wheel net sheet, drop into above-mentioned standby caking property compound abrasive, expect, draw together flat with the scraper plate stand, through pressing plate extrusion forming and sclerosis, promptly become resin wheel sheet cutting blade product of the present invention; In like manner, on emery wheel net sheet, press cutting blade substance specification and drop into standby caking property compound abrasive, with scraper plate stand material draw together flat after, put second emery wheel net sheet, through pressing plate extrusion forming and sclerosis, promptly become the two nets of the present invention and strengthen resin wheel sheet cutting blade products.Same operation can be made many nets and strengthen the resin wheel cutting blade, to be satisfied different process requirements.
Carborundum has very strong hardness (Mohs' hardness is 9.2), and has quite sharp-pointed cutting edge and self-sharpening, is difficult for producing chemical reaction with many nonmetal (glass, potteries etc.) and some nonferrous metal (zinc, copper and alloy thereof) material.The thermal conductivity of carborundum is very high, and thermal expansion is little, and thermal shock resistance is very high, so carborundum can be in the good effect of cutting stone material time performance with characteristic exclusive on it.
The palm fibre corundum has advantages such as cumuliformis such as quality densification, hardness height, grinding force are strong, grain shape is, and the abrasive material of different grain size number is mixed to use in its certain ratio can give full play to its advantage separately, plays the effect of cutting high rigidity metal; Phenolic resin adhesive has good cementation, with firm the bonding together of various abrasive materials, strengthens the tensile strength of cutting blade after the curing.
Cutting blade is emitted a large amount of heats owing to rub in the cutting metal process, can't distribute as heat, be easy to generate and burn the sheet phenomenon, cutwork also just can't be carried out so, component adds stable ice crystal filler, and the high temperature that produces in the working angles (greater than 1011 ℃) makes it to be decomposed into aluminum trifluoride gas, takes away the part heat, reduce the effect of cutting temperature, can prevent that also cutting part is oxidated simultaneously.
It is dry-grinding lubricant agent that the present invention adopts the polytetrafluoroethylene (PTFE) with organic macromolecule structure, the lubricant that replaces traditional pyrite small molecule structure with corrosivity and dust pollution, can be in the lubricated anti-attrition effect of working angles, increase intermolecular force simultaneously, improve cutting blade intensity, increase safety in utilization, obtain satisfied effect.
The resin wheel sheet caking property compound abrasive that the present invention adopts, use to silicon carbide abrasive and two kinds of abrasive materials of brown corundum, selected best scientific matching, make it in the application of two kinds of materials of soft or hard, play decisive consonance effect giving the resin wheel cutting blade, adopt polytetrafluoroethylene (PTFE) is dry-grinding lubricant agent in addition, makes resin wheel cutting blade of the present invention obtain significant effect aspect the cutting soft or hard unlike material.
Therefore, the present invention is by controlling silicon carbide abrasive and the proportioning content that mixes abrasive particle palm fibre corundum within the specific limits, and the content of adjusting teflon dry-grinding lubricant agent simultaneously obtains the cutting blade of different performance.For example: improve the content of silicon carbide abrasive, the content of the brown corundum of reduction, make it obtain good result in nonmetal fields such as cutting stone material, concrete, marble, vehicle glasses, on the contrary, reduce carborundum, improve the cutting blade that the content of brown corundum makes and greater advantages arranged at cutting high rigidity connection metal.As previously mentioned, improve polytetrafluoroethylene content and can accelerate cutting speed, reduce polytetrafluoroethylene content and can obtain more durable cutting blade, make resin wheel cutting blade of the present invention acquisition aspect cutting speed and cutting durability well balanced, can be used in some special field, when speedily carrying out rescue work operation, need the situation of high-speed cutting as fire-fighting or calamity; For general application, also have good wearability, low abrasion, and aspect the reduction operating cost significant improvement is being arranged, so the present invention promotes comprehensively and expanded the function and application of resin wheel cutting blade.
In addition, resin wheel cutting blade preparation method of the present invention, its raw material resources is abundant, and no high temperature process requirement in the manufacturing process has that energy consumption is low, equipment is simple to operate, the output advantages of higher.
How now further specify the present invention by example implements:
Example 1:
Resin wheel sheet caking property compound abrasive prescription, the percentage proportioning is as follows by weight:
24# black silicon carbide grain 45%
24# brown corundum abrasive 30%
30# brown corundum abrasive 4%
Liquid phenolic resin 5%
240 order phenol-formaldehyde resin powders 10%
120 order ice crystals 5%
Average grain diameter 5 μ m polytetrafluoroethylene powders 1%
Its preparation technology is as follows:
24# black silicon carbide, 24#, 30# brown corundum abrasive added in the batch mixing pot according to proportioning weight mix, add liquid phenolic resin again, treat to add ice crystal and polytetrafluoroethylene powder successively after the corundum abrasive complete wetting, mix the back drop into phenol-formaldehyde resin powder continue batch mixing until phenol-formaldehyde resin powder uniformly attached to every abrasive material on till.By feeding intake after the weighing of cutting blade substance, put emery wheel net sheet before feeding intake into then, with scraper plate stand material, put an emery wheel net sheet after waiting to shakeout again, the pressing plate extrusion forming is rehardened.
Producing two net enhancing resin cleavage thin slices that model is 355*4.0*25.4 with this kind prescription and technology, can be that the 45# round steel of 160mm cuts off with diameter, also the armored concrete of 200*300mm can be cut off, and the no abnormal phenomenon of whole cutting process takes place.
Example 2:
Resin wheel cutting blade caking property compound abrasive prescription, the percentage proportioning is by weight:
24# black silicon carbide grain 40%
30# brown corundum abrasive 36%
36# brown corundum abrasive 4%
Liquid phenolic resin 4%
240 order phenol-formaldehyde resin powders 9%
120 order ice crystals 2%
Polytetrafluoroethylene powder (average grain diameter 5 μ m) 5%
Its preparation technology is identical with example 1.
Strengthen resin cutting slices with two nets of this prescription and the 356*4.0*25.4 of technological forming and be better than cutting concrete aspect the cutting metal.
Example 3:
Resin wheel cutting blade caking property compound abrasive prescription, the percentage proportioning is as follows by weight:
30# black silicon carbide grain 50%
24# brown corundum abrasive 27%
36# brown corundum abrasive 3%
Liquid phenolic resin 4.5%
240 order phenol-formaldehyde resin powders 8.5%
120 order ice crystals 4%
Polytetrafluoroethylene powder (average grain diameter 5 μ m) 3%
Its preparation technology is identical with example 1.
With this prescription and model that technology is done is that two nets of 356*4.0*25.4 strengthen the resin abrasive cutting wheel sheets it is being better than cutting metal aspect concrete cutting.
Claims (3)
1. have the resin wheel cutting blade preparation method of cutting soft or hard two class material functions concurrently, be with varigrained silicon carbide abrasive, the combination grain brown corundum abrasive, phenolic resin adhesive, teflon dry-grinding lubricant agent and ice crystal filler are mixed with resin wheel cutting blade caking property compound abrasive, with this resin wheel cutting blade caking property compound abrasive, press cutting blade substance specification, be coated on the emery wheel net sheet, and with scraper plate stand material, draw together flat, through pressing plate extrusion forming and sclerosis, make the resin wheel cutting blade, the formula constituent of this resin wheel cutting blade caking property compound abrasive and the percetage by weight proportioning of each component are as follows:
14#-80# carborundum 40%-50%
The combination grain palm fibre is 30%-40% just
Liquid phenolic resin 1%-5%
240 order phenol-formaldehyde resin powder 3%-15%
Average grain diameter 3 μ m-25 μ m polytetrafluoroethylene powder 0.5%-5%
The thin ice crystal filler of 120 orders 2%-10%.
2. the resin wheel cutting blade preparation method that has cutting soft or hard two class material functions concurrently according to claim 1, this method is: place emery wheel net sheet on operating desk, press cutting blade substance specification, on emery wheel net sheet, throw in standard quantity cutting blade caking property compound abrasive, with scraper plate stand material, draw together flatly, make through pressing plate extrusion forming and sclerosis.
3. the resin wheel cutting blade preparation method that has cutting soft or hard two class material functions concurrently according to claim 1, the manufacture craft of its pair net, many nets reinforced resins cutoff wheel is: place emery wheel net sheet on the operating desk, by section substance specification, after throwing in the cutting blade caking property compound abrasive of standard quantity on the emery wheel net sheet, put second emery wheel net sheet on its surface, analogize this operation, can place many emery wheel net sheets successively, thereby make two nets, many nets resin wheel cutting blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102721954A CN101691028B (en) | 2009-09-22 | 2009-09-22 | Manufacturing method for resin grinding wheel cutting piece with function of cutting soft and hard materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102721954A CN101691028B (en) | 2009-09-22 | 2009-09-22 | Manufacturing method for resin grinding wheel cutting piece with function of cutting soft and hard materials |
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| Publication Number | Publication Date |
|---|---|
| CN101691028A CN101691028A (en) | 2010-04-07 |
| CN101691028B true CN101691028B (en) | 2011-02-09 |
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| CN2009102721954A Expired - Fee Related CN101691028B (en) | 2009-09-22 | 2009-09-22 | Manufacturing method for resin grinding wheel cutting piece with function of cutting soft and hard materials |
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| CN112548882B (en) * | 2020-12-31 | 2024-05-17 | 河南永泰磨具有限公司 | Grinding wheel and manufacturing method thereof |
| CN114346920B (en) * | 2021-12-08 | 2024-10-11 | 宁波大华砂轮有限公司 | Large-specification resin ultrathin cutting blade and preparation method thereof |
| CN114800295B (en) * | 2022-03-30 | 2023-12-26 | 郑州九天工贸有限公司 | Self-lubricating resin cutting sheet and preparation method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101691028A (en) | 2010-04-07 |
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